Pregnancy is associated with more severe injuries from motor vehicle crashes

Ya Hui Chang, Yu Wen Chien, Chiung Hsin Chang, Ping Ling Chen, Tsung Hsueh Lu, Chung Yi Li

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)


Objective: Whether pregnancy is associated with severe injuries from motor vehicle crashes (MVCs) remains unclear. This study aimed to investigate the potential relationship between pregnancy and severity of injuries from MVCs. Methods: We identified a total of 23,559 pregnant women victims who encountered MVCs during pregnancy as well as 94,236 age- and calendar year-at MVC matched non-pregnant women victims that are also involved in MVCs. Injury severity was assessed using the Maximum Abbreviated Injury Scale (MAIS) based on the diagnosis of medical claims after MVCs. Multinomial logistic regression models were used to estimate the odds ratio and corresponding 95 % CI of injury severity levels associated with pregnancy. Results: Pregnant women had a significantly higher risk of both severe (adjusted odds ratio, aOR = 1.79, 95 % CI = 1.54–2.08) and mild injuries (aOR = 8.63, 95 % CI = 8.21–9.07) following MVCs as compared to non-pregnant women victims. Particularly, pregnant women who were riding scooters had an increased risk of severe injury (aOR = 4.25, 95 % CI = 3.58–5.04). In addition, pregnant women who experienced MVC but without any injury were more likely to visit a clinic than non-pregnant MVC victims. Conclusion: Pregnant women victims, particularly those who were riding scooters involved in MVCs suffered from a higher risk of severe injury as compared to their non-pregnant counterparts. Our findings suggest that women should consider avoiding riding a scooter and must use restrictive devices during pregnancy, which would help reduce the severity of injuries sustained following an MVC.

Original languageEnglish
JournalJournal of the Formosan Medical Association
Publication statusAccepted/In press - 2023


  • Injury severity
  • Pregnancy
  • Traffic accidents

ASJC Scopus subject areas

  • General Medicine


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